输入若干个百分制成绩，输出对应的五分制成绩，输入结束后再分别输出这五个分段的人数。五分制成绩用字母A、B、C、D和E分别表示百分制成绩的100~90、89~80、79~70、69~60、59~0-Input several centesimal system performance, the output of the five grade marking system corresponding to the input end result, after the five output respectively the number of section. The five grade marking system performance with the letters A, B, C, D and E said centesimal system performance of 100 ~ 90, 89 ~ 80, 79 ~ 70, 69 ~ sixty, 59 ~ 0